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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef REMOTING_HOST_VIDEO_FRAME_CAPTURER_H_ | 5 #ifndef REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_H_ |
| 6 #define REMOTING_HOST_VIDEO_FRAME_CAPTURER_H_ | 6 #define REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "base/callback.h" | 9 #include "base/callback.h" |
| 10 #include "base/shared_memory.h" | 10 #include "base/shared_memory.h" |
| 11 #include "media/base/video_frame.h" | 11 #include "media/base/video_frame.h" |
| 12 #include "third_party/skia/include/core/SkRegion.h" | 12 #include "third_party/skia/include/core/SkRegion.h" |
| 13 | 13 |
| 14 namespace remoting { | 14 namespace remoting { |
| 15 | 15 |
| 16 namespace protocol { | |
| 17 class CursorShapeInfo; | |
| 18 } | |
| 19 | |
| 20 class CaptureData; | 16 class CaptureData; |
| 17 struct MouseCursorShape; |
| 21 class SharedBufferFactory; | 18 class SharedBufferFactory; |
| 22 | 19 |
| 23 // Class used to capture video frames asynchronously. | 20 // Class used to capture video frames asynchronously. |
| 24 // | 21 // |
| 25 // The full capture sequence is as follows: | 22 // The full capture sequence is as follows: |
| 26 // | 23 // |
| 27 // (1) Start | 24 // (1) Start |
| 28 // This is when pre-capture steps are executed, such as flagging the | 25 // This is when pre-capture steps are executed, such as flagging the |
| 29 // display to prevent it from sleeping during a session. | 26 // display to prevent it from sleeping during a session. |
| 30 // | 27 // |
| (...skipping 26 matching lines...) Expand all Loading... |
| 57 class Delegate { | 54 class Delegate { |
| 58 public: | 55 public: |
| 59 virtual ~Delegate() {} | 56 virtual ~Delegate() {} |
| 60 | 57 |
| 61 // Called when a video frame has been captured. |capture_data| describes | 58 // Called when a video frame has been captured. |capture_data| describes |
| 62 // a captured frame. | 59 // a captured frame. |
| 63 virtual void OnCaptureCompleted( | 60 virtual void OnCaptureCompleted( |
| 64 scoped_refptr<CaptureData> capture_data) = 0; | 61 scoped_refptr<CaptureData> capture_data) = 0; |
| 65 | 62 |
| 66 // Called when the cursor shape has changed. | 63 // Called when the cursor shape has changed. |
| 67 virtual void OnCursorShapeChanged( | 64 // TODO(sergeyu): Move cursor shape capturing to a separate class. |
| 68 scoped_ptr<protocol::CursorShapeInfo> cursor_shape) = 0; | 65 virtual void OnCursorShapeChanged(const MouseCursorShape& cursor_shape) = 0; |
| 69 }; | 66 }; |
| 70 | 67 |
| 71 virtual ~VideoFrameCapturer() {} | 68 virtual ~VideoFrameCapturer() {} |
| 72 | 69 |
| 73 // Create platform-specific capturer. | 70 // Create platform-specific capturer. |
| 74 static scoped_ptr<VideoFrameCapturer> Create(); | 71 static scoped_ptr<VideoFrameCapturer> Create(); |
| 75 | 72 |
| 76 // Create platform-specific capturer that uses shared memory buffers. | 73 // Create platform-specific capturer that uses shared memory buffers. |
| 77 static scoped_ptr<VideoFrameCapturer> CreateWithFactory( | 74 static scoped_ptr<VideoFrameCapturer> CreateWithFactory( |
| 78 SharedBufferFactory* shared_buffer_factory); | 75 SharedBufferFactory* shared_buffer_factory); |
| (...skipping 34 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 113 // data of the previous capture. There can be at most one concurrent read | 110 // data of the previous capture. There can be at most one concurrent read |
| 114 // going on when this method is called. | 111 // going on when this method is called. |
| 115 virtual void CaptureFrame() = 0; | 112 virtual void CaptureFrame() = 0; |
| 116 | 113 |
| 117 // Get the size of the most recently captured screen. | 114 // Get the size of the most recently captured screen. |
| 118 virtual const SkISize& size_most_recent() const = 0; | 115 virtual const SkISize& size_most_recent() const = 0; |
| 119 }; | 116 }; |
| 120 | 117 |
| 121 } // namespace remoting | 118 } // namespace remoting |
| 122 | 119 |
| 123 #endif // REMOTING_HOST_VIDEO_FRAME_CAPTURER_H_ | 120 #endif // REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_H_ |
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